Hello there, M2HProjects. 

QuickBooks offers wholesale discount plan where your client can put you on wholesale discount. 

First, let your client follow these steps to add you as an accountant user:

1. Go to the Gear icon. 
2. Select Account and settings.
3. In the Billing & subscription tab, select the Allow billing transfer to your accountant? link.

After completing this,  you have 48 hours to enroll you in their wholesale discount program before the permission expires. For further guidance, you can follow these steps: Transfer clients to your wholesale discount plan in QuickBooks Online.

Visit again again if y have more concerns about QuickBooks subscription. Take care and stay safe.